Answer / venkatesh

It is the ratio of Power delivered to the load to the power
supllied to the device as a input.

Answer / arun

efficiency of the transformer is 97 or 98%

Answer / gs kiani

Transformer efficiency depends upon Input and Output Power.
Effeciency =Output Power/ Input Power
As transformer is static device without any rotating part so it is most efficient electical component or device with efficiency more than 95% approaching to 98%

Answer / manikandan

which is nothing but the ratio of primary power to the
secondry power

Answer / kinjan

IT IS THE RATIO OF OUTPUT POWER TO THE INPUT POWER.

what is MULTIPLYING FACTOR in substations??

2 Answers  

In a star(primary) to delta(secondary) transformer,how you take the neutral point?

3 Answers   HLL,

3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

How to identify the whether its an isolator or Breaker in MDB

5 Answers  

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0 Answers  

how to test the ht machines?

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IN dc capacitive reactance is??

0 Answers  

can u give me a brief idea about power line carrier communication ??

0 Answers  

What are the classifications of oscillators?

0 Answers  

How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

What is the difference between Earth and Neutral?

2 Answers  

what is CRGO Transformers?

6 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, TATA,